C5 Flashcards

ADF

1
Q

NDB Frequency Band

A

190 kHz (upper LF) - 1750 kHz (lower MF)

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2
Q

Orientation for:
Min QE
Max QE

A

Min QE: Arriving signals in line with fuselage / signals coming from beam
Max QE: 45° to the fuselage, up to ±20°

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3
Q

Coastal Refraction Effect Max

A

Signal crosses coastline at 30°

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4
Q

Loop Antenna Switching Signal Frequency

A

47 Hz

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5
Q

Loop Swing Intervals

A

Initial installation: 15°

Check swings: 45°

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6
Q

Hours to Avoid Loop Swing

A

±2 hrs of sunset (Avoid night effect)

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7
Q

Air Swing Intervals

A

10° / 15° (Depending on pattern flown)

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